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Gemini User’s Manual
WHAT THE SELF-TEST MEANS
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The Gemini Self-Test allows you to test the printer’s performance
before putting it to work. Beyond that, the Self-Test is a
demonstration of some of the characters Gemini has stored in
its permanent memory.
On the following pages, groups of characters from the Self-
Test are identified and discussed. Where a character has multiple
meanings or uses, this manual provides the most common and
generally used.
In discussing these characters, we face the old problem of
defining a word without using that word in the definition. To make
it easier to identify which character we’re discussing, we’ve coded
some of the characters to correspond with letters of the English
alphabet. If you look at Figure 3-3, you’ll see that the fifth character
shown in the sequence on the lower line is the “percent” sign. For
purposes of our discussion, we’ve coded it so it corresponds to
the letter “f” above it. In Chapter Five, you’ll learn about other
“codes” that have been created to facilitate discussion about
computer-generated characters.
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abcdefghijklmnop
,T!
rstuvwx
!“#B%&’ Ot+,-./012345678Y:~(->?B
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Figure 3-3.
The first part (of the first Self-Test lines) shows the
characters often associated with the top row of keys on a typewriter.
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